607 lines
16 KiB
Groff
607 lines
16 KiB
Groff
.\" Copyright (c) 2008, 2009 Yahoo!, Inc.
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. The names of the authors may not be used to endorse or promote
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.\" products derived from this software without specific prior written
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.\" permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd September 2, 2011
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.Dt MFIUTIL 8
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.Os
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.Sh NAME
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.Nm mfiutil
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.Nd Utility for managing LSI MegaRAID SAS controllers
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.Sh SYNOPSIS
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.Nm
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.Cm version
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.Nm
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.Op Fl u Ar unit
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.Cm show adapter
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.Nm
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.Op Fl u Ar unit
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.Cm show battery
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.Nm
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.Op Fl d
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.Op Fl e
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.Op Fl u Ar unit
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.Cm show config
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.Nm
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.Op Fl u Ar unit
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.Cm show drives
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.Nm
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.Op Fl u Ar unit
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.Cm show events
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.Op Fl c Ar class
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.Op Fl l Ar locale
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.Op Fl n Ar count
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.Op Fl v
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.Op Ar start Op Ar stop
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.Nm
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.Op Fl u Ar unit
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.Cm show firmware
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.Nm
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.Op Fl u Ar unit
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.Cm show logstate
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.Nm
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.Op Fl d
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.Op Fl e
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.Op Fl u Ar unit
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.Cm show patrol
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.Nm
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.Op Fl d
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.Op Fl e
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.Op Fl u Ar unit
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.Cm show progress
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.Nm
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.Op Fl u Ar unit
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.Cm show volumes
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.Nm
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.Op Fl u Ar unit
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.Cm fail Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm good Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm rebuild Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm drive progress Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm drive clear Ar drive Brq "start | stop"
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.Nm
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.Op Fl u Ar unit
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.Cm start rebuild Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm abort rebuild Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm locate Ar drive Brq "on | off"
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.Nm
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.Op Fl u Ar unit
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.Cm cache Ar volume Op Ar setting Oo Ar value Oc Op ...
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.Nm
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.Op Fl u Ar unit
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.Cm name Ar volume Ar name
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.Nm
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.Op Fl u Ar unit
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.Cm volume progress Ar volume
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.Nm
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.Op Fl u Ar unit
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.Cm clear
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.Nm
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.Op Fl u Ar unit
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.Cm create Ar type
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.Op Fl v
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.Op Fl s Ar stripe_size
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.Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
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.Op Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
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.Nm
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.Op Fl u Ar unit
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.Cm delete Ar volume
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.Nm
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.Op Fl u Ar unit
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.Cm add Ar drive Op Ar volume
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.Nm
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.Op Fl u Ar unit
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.Cm remove Ar drive
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.Nm
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.Op Fl u Ar unit
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.Cm start patrol
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.Nm
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.Op Fl u Ar unit
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.Cm stop patrol
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.Nm
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.Op Fl u Ar unit
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.Cm patrol Ar command Op Ar interval Op Ar start
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.Nm
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.Op Fl u Ar unit
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.Cm flash Ar file
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.Sh DESCRIPTION
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The
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.Nm
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utility can be used to display or modify various parameters on LSI
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MegaRAID SAS RAID controllers.
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Each invocation of
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.Nm
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consists of zero or more global options followed by a command.
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Commands may support additional optional or required arguments after the
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command.
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.Pp
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Currently one global option is supported:
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.Bl -tag -width indent
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.It Fl u Ar unit
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.Ar unit
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specifies the unit of the controller to work with.
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If no unit is specified,
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then unit 0 is used.
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.El
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.Pp
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Various commands accept either or both of the two options:
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.Bl -tag -width indent
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.It Fl d
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Print numeric device IDs as drive identifier.
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This is the default.
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Useful in combination with
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.Fl e
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to print both, numeric device IDs and enclosure:slot information.
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.It Fl e
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Print drive identifiers in enclosure:slot form.
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See next paragraph on format details in context of input rather than
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output.
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.El
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.Pp
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Drives may be specified in two forms.
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First,
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a drive may be identified by its device ID.
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The device ID for configured drives can be found in
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.Cm show config .
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Second,
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a drive may be identified by its location as
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.Sm off
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.Op E Ar xx Ns \&:
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.Li S Ns Ar yy
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.Sm on
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where
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.Ar xx
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is the enclosure
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and
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.Ar yy
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is the slot for each drive as displayed in
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.Cm show drives .
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.Pp
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Volumes may be specified in two forms.
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First,
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a volume may be identified by its target ID.
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Second,
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on the volume may be specified by the corresponding
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.Em mfidX
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device,
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such as
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.Em mfid0 .
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.Pp
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The
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.Nm
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utility supports several different groups of commands.
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The first group of commands provide information about the controller,
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the volumes it manages, and the drives it controls.
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The second group of commands are used to manage the physical drives
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attached to the controller.
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The third group of commands are used to manage the logical volumes
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managed by the controller.
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The fourth group of commands are used to manage the drive configuration for
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the controller.
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The fifth group of commands are used to manage controller-wide operations.
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.Pp
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The informational commands include:
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.Bl -tag -width indent
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.It Cm version
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Displays the version of
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.Nm .
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.It Cm show adapter
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Displays information about the RAID controller such as the model number.
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.It Cm show battery
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Displays information about the battery from the battery backup unit.
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.It Cm show config
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Displays the volume and drive configuration for the controller.
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Each array is listed along with the physical drives the array is built from.
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Each volume is listed along with the arrays that the volume spans.
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If any hot spare drives are configured, then they are listed as well.
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.It Cm show drives
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Lists all of the physical drives attached to the controller.
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.It Xo Cm show events
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.Op Fl c Ar class
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.Op Fl l Ar locale
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.Op Fl n Ar count
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.Op Fl v
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.Op Ar start Op Ar stop
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.Xc
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Display entries from the controller's event log.
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The controller maintains a circular buffer of events.
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Each event is tagged with a class and locale.
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.Pp
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The
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.Ar class
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parameter limits the output to entries at the specified class or higher.
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The default class is
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.Dq warn .
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The available classes from lowest priority to highest are:
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.Bl -tag -width indent
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.It Cm debug
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Debug messages.
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.It Cm progress
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Periodic progress updates for long-running operations such as background
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initializations, array rebuilds, or patrol reads.
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.It Cm info
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Informational messages such as drive insertions and volume creations.
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.It Cm warn
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Indicates that some component may be close to failing.
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.It Cm crit
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A component has failed, but no data is lost.
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For example, a volume becoming degraded due to a drive failure.
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.It Cm fatal
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A component has failed resulting in data loss.
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.It Cm dead
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The controller itself has died.
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.El
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.Pp
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The
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.Ar locale
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parameter limits the output to entries for the specified part of the controller.
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The default locale is
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.Dq all .
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The available locales are
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.Dq volume ,
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.Dq drive ,
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.Dq enclosure ,
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.Dq battery ,
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.Dq sas ,
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.Dq controller ,
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.Dq config ,
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.Dq cluster ,
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and
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.Dq all .
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.Pp
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The
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.Ar count
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parameter is a debugging aid that specifies the number of events to fetch from
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the controller for each low-level request.
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The default is 15 events.
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.Pp
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By default, matching event log entries from the previous shutdown up to the
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present are displayed. This range can be adjusted via the
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.Ar start
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and
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.Ar stop
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parameters.
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Each of these parameters can either be specified as a log entry number or as
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one of the following aliases:
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.Bl -tag -width indent
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.It Cm newest
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The newest entry in the event log.
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.It Cm oldest
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The oldest entry in the event log.
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.It Cm clear
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The first entry since the event log was cleared.
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.It Cm shutdown
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The entry in the event log corresponding to the last time the controller was
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cleanly shut down.
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.It Cm boot
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The entry in the event log corresponding to the most recent boot.
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.El
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.It Cm show firmware
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Lists all of the firmware images present on the controller.
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.It Cm show logstate
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Display the various sequence numbers associated with the event log.
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.It Cm show patrol
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Display the status of the controller's patrol read operation.
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.It Cm show progress
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Report the current progress and estimated completion time for active
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operations on all volumes and drives.
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.It Cm show volumes
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Lists all of the logical volumes managed by the controller.
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.El
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.Pp
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The physical drive management commands include:
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.Bl -tag -width indent
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.It Cm fail Ar drive
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Mark
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.Ar drive
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as failed.
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.Ar Drive
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must be an online drive that is part of an array.
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.It Cm good Ar drive
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Mark
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.Ar drive
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as an unconfigured good drive.
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.Ar Drive
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must not be part of an existing array.
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.It Cm rebuild Ar drive
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Mark a failed
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.Ar drive
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that is still part of an array as a good drive suitable for a rebuild.
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The firmware should kick off an array rebuild on its own if a failed drive
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is marked as a rebuild drive.
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.It Cm drive progress Ar drive
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Report the current progress and estimated completion time of drive operations
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such as rebuilds or patrol reads.
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.It Cm drive clear Ar drive Brq "start | stop"
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Start or stop the writing of all 0x00 characters to a drive.
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.It Cm start rebuild Ar drive
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Manually start a rebuild on
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.Ar drive .
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.It Cm abort rebuild Ar drive
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Abort an in-progress rebuild operation on
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.Ar drive .
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It can be resumed with the
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.Cm start rebuild
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command.
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.It Cm locate Ar drive Brq "on | off"
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Change the state of the external LED associated with
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.Ar drive .
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.El
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.Pp
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The logical volume management commands include:
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.Bl -tag -width indent
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.It Cm cache Ar volume Op Ar setting Oo Ar value Oc Op ...
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If no
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.Ar setting
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arguments are supplied, then the current cache policy for
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.Ar volume
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is displayed;
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otherwise,
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the cache policy for
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.Ar volume
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is modified.
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One or more
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.Ar setting
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arguments may be given.
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Some settings take an additional
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.Ar value
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argument as noted below.
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The valid settings are:
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.Bl -tag -width indent
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.It Cm enable
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Enable caching for both read and write I/O operations.
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.It Cm disable
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Disable caching for both read and write I/O operations.
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.It Cm reads
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Enable caching only for read I/O operations.
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.It Cm writes
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Enable caching only for write I/O operations.
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.It Cm write-back
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Use write-back policy for cached writes.
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.It Cm write-through
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Use write-through policy for cached writes.
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.It Cm read-ahead Ar value
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Set the read ahead policy for cached reads.
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The
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.Ar value
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argument can be set to either
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.Dq none ,
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.Dq adaptive ,
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or
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.Dq always .
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.It Cm bad-bbu-write-cache Ar value
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Control the behavior of I/O write caching if the battery is dead or
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missing.
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The
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.Ar value
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argument can be set to either
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.Dq disable
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or
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.Dq enable .
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In general this setting should be left disabled to avoid data loss when
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the system loses power.
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.It Cm write-cache Ar value
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Control the write caches on the physical drives backing
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.Ar volume .
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The
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.Ar value
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argument can be set to either
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.Dq disable ,
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.Dq enable ,
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or
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.Dq default .
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.Pp
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In general this setting should be left disabled to avoid data loss when the
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physical drives lose power.
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The battery backup of the RAID controller does not save data in the write
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caches of the physical drives.
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.El
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.It Cm name Ar volume Ar name
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Sets the name of
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.Ar volume
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to
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.Ar name .
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.It Cm volume progress Ar volume
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Report the current progress and estimated completion time of volume operations
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such as consistency checks and initializations.
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.El
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.Pp
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The configuration commands include:
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.Bl -tag -width indent
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.It Cm clear
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Delete the entire configuration including all volumes, arrays, and spares.
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.It Xo Cm create Ar type
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.Op Fl v
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.Op Fl s Ar stripe_size
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.Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
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.Op Ar drive Ns Op \&, Ns Ar drive Ns Op ",..."
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.Xc
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Create a new volume.
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The
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.Ar type
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specifies the type of volume to create.
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Currently supported types include:
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.Bl -tag -width indent
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.It Cm jbod
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Creates a RAID0 volume for each drive specified.
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Each drive must be specified as a separate argument.
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.It Cm raid0
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Creates one RAID0 volume spanning the drives listed in the single drive list.
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.It Cm raid1
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Creates one RAID1 volume spanning the drives listed in the single drive list.
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.It Cm raid5
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Creates one RAID5 volume spanning the drives listed in the single drive list.
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.It Cm raid6
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Creates one RAID6 volume spanning the drives listed in the single drive list.
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.It Cm raid10
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Creates one RAID10 volume spanning multiple RAID1 arrays.
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The drives for each RAID1 array are specified as a single drive list.
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.It Cm raid50
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Creates one RAID50 volume spanning multiple RAID5 arrays.
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The drives for each RAID5 array are specified as a single drive list.
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.It Cm raid60
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Creates one RAID60 volume spanning multiple RAID6 arrays.
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The drives for each RAID6 array are specified as a single drive list.
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.It Cm concat
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Creates a single volume by concatenating all of the drives in the single drive
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list.
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.El
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.Pp
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.Sy Note:
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Not all volume types are supported by all controllers.
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.Pp
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If the
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.Fl v
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flag is specified after
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.Ar type ,
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then more verbose output will be enabled.
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Currently this just provides notification as drives are added to arrays and
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arrays to volumes when building the configuration.
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.Pp
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The
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.Fl s
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.Ar stripe_size
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parameter allows the stripe size of the array to be set.
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By default a stripe size of 64K is used.
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Valid values are 512 through 1M, though the MFI firmware may reject some
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values.
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.It Cm delete Ar volume
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Delete the volume
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.Ar volume .
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.It Cm add Ar drive Op Ar volume
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Mark
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.Ar drive
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as a hot spare.
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.Ar Drive
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must be in the unconfigured good state.
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If
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.Ar volume
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is specified,
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then the hot spare will be dedicated to arrays backing that volume.
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Otherwise,
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.Ar drive
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will be used as a global hot spare backing all arrays for this controller.
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Note that
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.Ar drive
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must be as large as the smallest drive in all of the arrays it is going to
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back.
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.It Cm remove Ar drive
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Remove the hot spare
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.Ar drive
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from service.
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It will be placed in the unconfigured good state.
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.El
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.Pp
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The controller management commands include:
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.Bl -tag -width indent
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.It Cm patrol Ar command Op Ar interval Op Ar start
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Set the patrol read operation mode.
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The
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.Ar command
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argument can be one of the following values:
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.Bl -tag -width indent
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.It Cm disable
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Disable patrol reads.
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.It Cm auto
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Enable periodic patrol reads initiated by the firmware.
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The optional
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.Ar interval
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argument specifies the interval in seconds between patrol reads.
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If patrol reads should be run continuously,
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then
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.Ar interval
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should consist of the word
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.Dq continuously .
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The optional
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.Ar start
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argument specifies a non-negative, relative start time for the next patrol read.
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If an interval or start time is not specified,
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then the existing setting will be used.
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.It Cm manual
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Enable manual patrol reads that are only initiated by the user.
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.El
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.It Cm start patrol
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|
Start a patrol read operation.
|
|
.It Cm stop patrol
|
|
Stop a currently running patrol read operation.
|
|
.It Cm flash Ar file
|
|
Updates the flash on the controller with the firmware stored in
|
|
.Ar file .
|
|
A reboot is required for the new firmware to take effect.
|
|
.El
|
|
.Sh EXAMPLES
|
|
Configure the cache for volume mfid0 to cache only writes:
|
|
.Pp
|
|
.Dl Nm Cm cache mfid0 writes
|
|
.Dl Nm Cm cache mfid0 write-back
|
|
.Pp
|
|
Create a RAID5 array spanning the first four disks in the second enclosure:
|
|
.Pp
|
|
.Dl Nm Cm create raid5 e1:s0,e1:s1,e1:s2,e1:s4
|
|
.Pp
|
|
Configure the first three disks on a controller as JBOD:
|
|
.Pp
|
|
.Dl Nm Cm create jbod 0 1 2
|
|
.Pp
|
|
Create a RAID10 volume that spans two arrays each of which contains two disks
|
|
from two different enclosures:
|
|
.Pp
|
|
.Dl Nm Cm create raid10 e1:s0,e1:s1 e2:s0,e2:s1
|
|
.Pp
|
|
Add drive with the device ID of 4 as a global hot spare:
|
|
.Pp
|
|
.Dl Nm Cm add 4
|
|
.Pp
|
|
Add the drive in slot 2 in the main chassis as a hot spare for volume mfid0:
|
|
.Pp
|
|
.Dl Nm Cm add s2 mfid0
|
|
.Pp
|
|
Configure the adapter to run periodic patrol reads once a week with the first
|
|
patrol read starting in 5 minutes:
|
|
.Pp
|
|
.Dl Nm Cm patrol auto 604800 300
|
|
.Sh SEE ALSO
|
|
.Xr mfi 4
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
utility first appeared in
|
|
.Fx 8.0 .
|